HTML 代码
<a href="#content" class="skip-to-content block absolute top-0 left-1/2 transform -translate-x-1/2 -translate-y-full bg-blue-500 text-white p-3 transition-all duration-300 focus:translate-y-0 z-50 dark:bg-blue-700 dark:text-gray-200">Skip to content</a>